[GitHub] [royale-asjs] javeiga-iest commented on issue #730: Jewel TabBar

[GitBox <gi...@apache.org>]

javeiga-iest commented on issue #730: Jewel TabBar
URL: https://github.com/apache/royale-asjs/issues/730#issuecomment-590277151
 
 
   You are right @piotrzarzycki21 @carlosrovira , I rethink the incidence ...
   In effect, the Binding works correctly, what happens is that when making a change of provider, “SelectionChangedChange” event is triggered, and an attempt is made to access the SelectedItem property (being null):
   
   _AssignTabContent.js_
   ![image](https://user-images.githubusercontent.com/55754204/75148841-e31a7580-5700-11ea-84e0-5e9b6c24c2c9.png)
   
   
   **Code:**
   ```
   <?xml version="1.0" encoding="utf-8"?>
   <j:ScrollableSectionContent xmlns:fx="http://ns.adobe.com/mxml/2009"
       xmlns:j="library://ns.apache.org/royale/jewel"
       xmlns:js="library://ns.apache.org/royale/basic"
   	xmlns:html="library://ns.apache.org/royale/html" 
       >
   
        <fx:Script>
           <![CDATA[
               import org.apache.royale.collections.ArrayList;
               
               [Bindable]
               public var tabBarDataSample:ArrayList = new ArrayList([
                           {label:"A - Nº Clicks: " + tmp, content:"content1"},
                           {label:"B - Nº Clicks: " + tmp, content:"content2"}
                       ]);      
   
               private var tmp:int = 0;
               private function updateTabBarData():void{
                       tmp++;
                       tabBarDataSample = new ArrayList([
                           {label:"A - Nº Clicks: " + tmp, content:"content1"},
                           {label:"B - Nº Clicks: " + tmp, content:"content2"}
                       ]);      
               }
   
           ]]>
        </fx:Script>
    
       <j:beads>
           <js:ContainerDataBinding/>
       </j:beads>
   
        <j:VGroup itemsVerticalAlign="itemsCentered" percentHeight="100">
           <j:Button text="UPDATE TABBAR DATAPROVIDER" click="updateTabBarData()"/>
           <j:TabBar localId="tabBar" dataProvider="{tabBarDataSample}">
               <j:beads>
                   <j:AssignTabContent localId="tabContent" selectedContentProperty="content">
                       <j:content>
                           <j:TabBarContent height="100%" style="width: -webkit-fill-available; margin-left:20px; margin-right:20px; margin-bottom:20px; flex: 0 1 auto;">
                               <j:SectionContent name="content1">
                                   <j:Card height="100%">                            
                                       <j:CardPrimaryContent itemsHorizontalAlign="itemsCentered">
                                           <html:H3 text="content1"/>  
                                       </j:CardPrimaryContent>
                                   </j:Card>
                               </j:SectionContent>
                               <j:SectionContent name="content2">
                                   <j:Card itemsExpand="true" height="100%">                            
                                       <j:CardPrimaryContent itemsHorizontalAlign="itemsCentered">
                                           <html:H3 text="content2"/>                                    
                                       </j:CardPrimaryContent>
                                   </j:Card>
                               </j:SectionContent>
                           </j:TabBarContent>
                       </j:content>
                   </j:AssignTabContent>
               </j:beads>
           </j:TabBar>
       </j:VGroup>
       
   </j:ScrollableSectionContent>
   ```
   
   

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